Author(s): Agung Suharyanto, Ramot Simon Hans Kristian Harianja, Putri Wijayanti Ndraha, Ika Santi Kasima Saragih, Karen Fransiska Sipayung, Nurhasanah Harahap, Richard Daniel Nababan,

Date: Apr 14, 2019

Source: Journal of Education, Humaniora and Social Sciences (JEHSS)

Publisher: Mahesa Research Center, Mahesa Research Center